From 77638169681ce5da6a3f7705b16a8f2b5d261671 Mon Sep 17 00:00:00 2001 From: Sumit Bose Date: Fri, 3 Sep 2010 11:56:31 +0200 Subject: [PATCH] s3-netlogon: Implement NetrServerGetTrustInfo and NetrGetForestTrustInformation MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Günther Deschner --- source3/rpc_server/netlogon/srv_netlog_nt.c | 261 +++++++++++++++++++++++++++- 1 file changed, 257 insertions(+), 4 deletions(-) diff --git a/source3/rpc_server/netlogon/srv_netlog_nt.c b/source3/rpc_server/netlogon/srv_netlog_nt.c index b55c74adfc4..f5dace2753c 100644 --- a/source3/rpc_server/netlogon/srv_netlog_nt.c +++ b/source3/rpc_server/netlogon/srv_netlog_nt.c @@ -37,6 +37,10 @@ #include "rpc_client/init_lsa.h" #include "rpc_server/rpc_ncacn_np.h" #include "../libcli/security/security.h" +#include "../libcli/security/dom_sid.h" +#include "librpc/gen_ndr/ndr_drsblobs.h" +#include "lib/crypto/arcfour.h" +#include "lib/crypto/md4.h" extern userdom_struct current_user_info; @@ -2177,21 +2181,270 @@ WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p, /**************************************************************** ****************************************************************/ +static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx, + struct lsa_ForestTrustInformation *info) +{ + struct lsa_ForestTrustRecord *e; + struct pdb_domain_info *dom_info; + struct lsa_ForestTrustDomainInfo *domain_info; + + dom_info = pdb_get_domain_info(mem_ctx); + if (dom_info == NULL) { + return NT_STATUS_NO_MEMORY; + } + + info->count = 2; + info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, 2); + if (info->entries == NULL) { + return NT_STATUS_NO_MEMORY; + } + + e = talloc(info, struct lsa_ForestTrustRecord); + if (e == NULL) { + return NT_STATUS_NO_MEMORY; + } + + e->flags = 0; + e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME; + e->time = 0; /* so far always 0 in trces. */ + e->forest_trust_data.top_level_name.string = talloc_steal(info, + dom_info->dns_forest); + + info->entries[0] = e; + + e = talloc(info, struct lsa_ForestTrustRecord); + if (e == NULL) { + return NT_STATUS_NO_MEMORY; + } + + /* TODO: check if disabled and set flags accordingly */ + e->flags = 0; + e->type = LSA_FOREST_TRUST_DOMAIN_INFO; + e->time = 0; /* so far always 0 in traces. */ + + domain_info = &e->forest_trust_data.domain_info; + domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid); + + domain_info->dns_domain_name.string = talloc_steal(info, + dom_info->dns_domain); + domain_info->netbios_domain_name.string = talloc_steal(info, + dom_info->name); + + info->entries[1] = e; + + return NT_STATUS_OK; +} + +/**************************************************************** + _netr_GetForestTrustInformation +****************************************************************/ + NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p, struct netr_GetForestTrustInformation *r) { - p->rng_fault_state = true; - return NT_STATUS_NOT_IMPLEMENTED; + NTSTATUS status; + struct netlogon_creds_CredentialState *creds; + struct lsa_ForestTrustInformation *info, **info_ptr; + + /* TODO: check server name */ + + status = schannel_check_creds_state(p->mem_ctx, lp_private_dir(), + r->in.computer_name, + r->in.credential, + r->out.return_authenticator, + &creds); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) && + (creds->secure_channel_type != SEC_CHAN_DOMAIN)) { + return NT_STATUS_NOT_IMPLEMENTED; + } + + info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *); + if (!info_ptr) { + return NT_STATUS_NO_MEMORY; + } + info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation); + if (!info) { + return NT_STATUS_NO_MEMORY; + } + + status = fill_forest_trust_array(p->mem_ctx, info); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + *info_ptr = info; + r->out.forest_trust_info = info_ptr; + + return NT_STATUS_OK; +} + +/**************************************************************** +****************************************************************/ + +static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx, + const DATA_BLOB *trustAuth_blob, + const DATA_BLOB *session_key, + struct samr_Password *current_pw_enc, + struct samr_Password *previous_pw_enc) +{ + enum ndr_err_code ndr_err; + struct trustAuthInOutBlob trustAuth; + + ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth, + (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + return NT_STATUS_UNSUCCESSFUL; + } + + + if (trustAuth.count != 0 && trustAuth.current.count != 0 && + trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) { + mdfour(previous_pw_enc->hash, + trustAuth.current.array[0].AuthInfo.clear.password, + trustAuth.current.array[0].AuthInfo.clear.size); + } else { + return NT_STATUS_UNSUCCESSFUL; + } + + arcfour_crypt_blob(current_pw_enc->hash, sizeof(current_pw_enc->hash), + session_key); + + if (trustAuth.previous.count != 0 && + trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) { + mdfour(previous_pw_enc->hash, + trustAuth.previous.array[0].AuthInfo.clear.password, + trustAuth.previous.array[0].AuthInfo.clear.size); + } else { + mdfour(previous_pw_enc->hash, NULL, 0); + } + arcfour_crypt_blob(previous_pw_enc->hash, sizeof(previous_pw_enc->hash), + session_key); + + return NT_STATUS_OK; } /**************************************************************** + _netr_ServerGetTrustInfo ****************************************************************/ NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p, struct netr_ServerGetTrustInfo *r) { - p->rng_fault_state = true; - return NT_STATUS_NOT_IMPLEMENTED; + NTSTATUS status; + struct netlogon_creds_CredentialState *creds; + char *account_name; + size_t account_name_last; + bool trusted; + struct netr_TrustInfo *trust_info; + struct pdb_trusted_domain *td; + DATA_BLOB trustAuth_blob; + struct samr_Password *new_owf_enc; + struct samr_Password *old_owf_enc; + DATA_BLOB session_key; + + /* TODO: check server name */ + + status = schannel_check_creds_state(p->mem_ctx, lp_private_dir(), + r->in.computer_name, + r->in.credential, + r->out.return_authenticator, + &creds); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + account_name = talloc_strdup(p->mem_ctx, r->in.account_name); + if (account_name == NULL) { + return NT_STATUS_NO_MEMORY; + } + + account_name_last = strlen(account_name); + if (account_name_last == 0) { + return NT_STATUS_INVALID_PARAMETER; + } + account_name_last--; + if (account_name[account_name_last] == '.') { + account_name[account_name_last] = '\0'; + } + + if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) && + (creds->secure_channel_type != SEC_CHAN_DOMAIN)) { + trusted = false; + } else { + trusted = true; + } + + + if (trusted) { + account_name_last = strlen(account_name); + if (account_name_last == 0) { + return NT_STATUS_INVALID_PARAMETER; + } + account_name_last--; + if (account_name[account_name_last] == '$') { + account_name[account_name_last] = '\0'; + } + + status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + if (r->out.trust_info != NULL) { + trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo); + if (trust_info == NULL) { + return NT_STATUS_NO_MEMORY; + } + trust_info->count = 1; + + trust_info->data = talloc_array(trust_info, uint32_t, 1); + if (trust_info->data == NULL) { + return NT_STATUS_NO_MEMORY; + } + trust_info->data[0] = td->trust_attributes; + + *r->out.trust_info = trust_info; + } + + new_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password); + old_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password); + if (new_owf_enc == NULL || old_owf_enc == NULL) { + return NT_STATUS_NO_MEMORY; + } + +/* TODO: which trustAuth shall we use if we have in/out trust or do they have to + * be equal ? */ + if (td->trust_direction & NETR_TRUST_FLAG_INBOUND) { + trustAuth_blob = td->trust_auth_incoming; + } else if (td->trust_direction & NETR_TRUST_FLAG_OUTBOUND) { + trustAuth_blob = td->trust_auth_outgoing; + } + + session_key.data = creds->session_key; + session_key.length = sizeof(creds->session_key); + status = get_password_from_trustAuth(p->mem_ctx, &trustAuth_blob, + &session_key, + new_owf_enc, old_owf_enc); + + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + r->out.new_owf_password = new_owf_enc; + r->out.old_owf_password = old_owf_enc; + } else { +/* TODO: look for machine password */ + r->out.new_owf_password = NULL; + r->out.old_owf_password = NULL; + + return NT_STATUS_NOT_IMPLEMENTED; + } + + return NT_STATUS_OK; } /**************************************************************** -- 2.11.4.GIT